--- title: "Closed Die Forging Nuts for Bridge Construction" description: "Closed Die Forging Nuts for Bridge Construction — Hex & Other Standard Nuts. Material: Carbon Steel, Standard: DIN, ANSI. MOQ 1 ton, US$0.36." url: https://engineeringhardware.com/product/closed-die-forging-nuts-for-bridge-construction/ source: Engineering Hardware & Fasteners --- # Closed Die Forging Nuts for Bridge Construction [![Closed Die Forging Nuts for Bridge Construction](https://img.engineeringhardware.com/Closed-Die-Forging-Nuts-for-Bridge-Construction.webp)](https://img.engineeringhardware.com/Closed-Die-Forging-Nuts-for-Bridge-Construction.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Nuts › Hex & Other Standard Nuts](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/closed-die-forging-nuts-for-bridge-construction.md) Model no. **PFT** US$0.36 / ton MOQ 1 ton · Final price confirmed in your quote - **Surface Treatment:** Yes - **Material:** Carbon Steel - **Head Style:** Hexagonal - **Standard:** DIN, ANSI - **Grade:** 8.8 Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Closed%20Die%20Forging%20Nuts%20for%20Bridge%20Construction%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fclosed-die-forging-nuts-for-bridge-construction%2F) Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order. ## Specifications | Customization | Available | | --- | --- | | Surface Treatment | Yes | | Technics | Forged | | Model NO. | PFT | | Material | Carbon Steel | | Type | Hexagon Head with Flange | | Connection | Common Bolt | | Head Style | Hexagonal | | Standard | DIN, ANSI | | Grade | 8.8 | | Eye Nut | Closed Die Forging | | Delivery Date | 35 Days | | Usage | Railway | | Testing | Caliper, CMM | | Transport Package | Plywood Box&Cartons | | Specification | AISI 1045 | | Origin | China | | Production Capacity | 20000PCS Per Year | | Detailed Feature | Accurate in reading drawings & Fast in delivery & Exact dimension control & 100% quality control & OEM Service & Strict material inspection & Prompt quote & lead time guarantee | | Category | [Hex & Other Standard Nuts](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) | ## Technical parameters | Accurate in reading drawings & Fast in delivery & Exact dimension control & 100% quality control & OEM Service & Strict material inspection & Prompt quote & lead time guarantee | | | --- | --- | | 1. Product Name: | Closed Die Forging Nuts Used for Bridge | | 2. Place of Origin: | Ningbo, China | | 3. Lead Time: | 30 days | | 4. Item: | FOB Ningbo or Shanghai or CIF XXX | | 5. Material: | Carbon Steel, Stainless Steel, Alloy Steel The material we usually used for such parts are 34CrMo, 42CrMo, 20NiCrMo, AISI 4340, AISI 4140, AISI 8630, S355J2G3, 1045, 20#, H13. Also we could do the Mechanical properties & Heat treatment according to your requirement. | | 6. Main Equipment: | 1600T/ 1000T/ 630T/ 280T Grinding Pressure Equipment, CNC-Machine, Machine-center | | 7. Applied software: | Pro-E, Auto CAD, Solid Work, UG | | 8. Suitable for: | Mining Equipment, Agricultural Equipment, Construction Equipment, Train & Other Transportation Equipment | | 9. Technics: | Closed die forging( Mold Forging) | | 10. Certificates: | ISO9001 | | 11. We can do different kinds of surface treatment after forging, such as machining, polishing, and plating. | | | 12. We quote and produce the parts according to the drawings or samples from our customers. So if you are interested in our products and our company, please email us directly. | | ## Description Closed Die Forging Nuts for Bridge Construction is part of our hex & other standard nuts range (Nuts). ### Key details - **Type:** Hexagon Head with Flange - **Standard:** DIN, ANSI - **Material:** Carbon Steel - **Grade:** 8.8 - **Head Style:** Hexagonal - **Surface Treatment:** Yes - **Connection:** Common Bolt - **Technics:** Forged Available configurations include surface treatment, material, head style, standard and grade. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1 ton at US$0.36 per ton. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you. ## Frequently asked questions ### What is the minimum order quantity (MOQ) for Closed Die Forging Nuts for Bridge Construction? The listed minimum order is 1 ton, at US$0.36 per ton. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size. ### What are the main specifications of Closed Die Forging Nuts for Bridge Construction? Type: Hexagon Head with Flange; Standard: DIN, ANSI; Material: Carbon Steel; Grade: 8.8; Head Style: Hexagonal; Surface Treatment: Yes. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include surface treatment, material, head style, standard and grade. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing. ### What is the lead time and how is it shipped? Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment. ### Which other hex & other standard nuts are available? The Hex & Other Standard Nuts category lists 8,354 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) How we work ## Specified, checked and shipped by Engineering Hardware & Fasteners Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing. - DIN, ISO, ASTM, ANSI, JIS and GB standard parts - Non-standard parts made to your drawing - Dimensions, thread gauges and plating checked before packing - Export cartons and pallets, consolidated mixed orders - Samples available for approval before mass production [![Production floor](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor-1024x683.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor.webp) Production floor [![Inspection bench](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench.webp) Inspection bench [![Sorting & packing](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing.webp) Sorting & packing [![Parts warehouse](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse.webp) Parts warehouse [![Sample review](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review.webp) Sample review [![Sales office](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office.webp) Sales office [More about us →](https://engineeringhardware.com/about/) · [Request a sample or custom quote →](https://engineeringhardware.com/contact/) ## 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